code: def _read_pickle(fname):
      with open(fname, "rb") as f:
          return pickle.load(f)
  
file_path: nipype/nipype/interfaces/cmtk/nbs.py
imports: import os.path
  import numpy
  import networkx
  import pickle
  from ...None import logging
  from ..base import LibraryBaseInterface, BaseInterfaceInputSpec, traits, File, TraitedSpec, InputMultiPath, OutputMultiPath, isdefined
  from .base import have_cv
label_desc: Use image node_id 1 for calling a global function with example usage: _read_pickle(fname) and returns: pickle